13867893
Descripción
Test por Elizabeth Nguyen, actualizado hace más de 1 año
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Creado por Elizabeth Nguyen
hace más de 8 años
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Pregunta 1
Pregunta
When atoms combine to form a molecule by sharing electrons, what type of bonds are formed?
Respuesta
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covalent
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hydrogen
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ionic
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polar ionic
Pregunta 2
Pregunta
A metallic bond is formed between
Respuesta
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a metal atom and a hydrogen atom
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a metal atom and a nonmetallic atom
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a metal atom and a noble gas
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two metal atoms
Pregunta 3
Pregunta
The bonds found in C2H4 are
Respuesta
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covalent
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ionic
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metallic
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polar
Pregunta 4
Pregunta
Which is a covalent compound
Respuesta
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Mg3N2
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NaCl
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NaF
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SiF4
Pregunta 5
Pregunta
Salts are compounds that form a crystal lattice. Which types of bonds are responsible for this lattice formation?
Respuesta
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covalent
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hydrogen
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ionic
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polar
Pregunta 6
Pregunta
The electrostatic attraction between atoms in a salt is
Respuesta
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strongest when the ions are small
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weakest when one of the ions is hydrogen (atomic number 1)
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strongest when one of the ions is potassium (atomic number 19)
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strongest when one of the ions is iodine (atomic number 53)
Pregunta 7
Pregunta
Which illustration most likely represents a liquid?
Respuesta
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Q
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R
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S
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T
Pregunta 8
Pregunta
At room temperature, which substance has the weakest intermolecular forces?
Respuesta
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oxygen
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salt
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steel
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uranium
Pregunta 9
Pregunta
Why are Lewis dot structures used?
Respuesta
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to show what type of bonds are formed
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to show valence electrons
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to show electronegativity values
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to show intermolecular forces
Pregunta 10
Pregunta
Fluorine has seven electrons in its Lewis dot structure. What is the electron configuration for fluorine?
Respuesta
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1s²2s²
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1s²2s²2p³
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1s²2s²2p⁴
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1s²2s²2p⁵
Pregunta 11
Pregunta
The electron configuration for an atom of iron is [Ar] 3d⁶4s². Which is the correct Lewis dot structure for iron?
Respuesta
Pregunta 12
Pregunta
The Lewis dot structure for Cl2 is shown below. What is the probable shape of Cl2?
Respuesta
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bent
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linear
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pyramidal
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tetrahedral
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